Seiko Cal. 6645 - 256

The Seiko 6645-256 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-2acea60ab38c]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

Related Models

• Seiko 5653-271
• Seiko 0784-799
• Seiko 6171-411
• Seiko 3865-774
• Seiko 6698-815
• Seiko 6395-844
• Seiko 3893-257
• Seiko 0771-607
• Seiko 4599-948
• Seiko 6119-288
• Seiko 0768-316
• Seiko 7081-718